Brick-m achekte



raros;

SAMUEL; TAI'JBGTT;v OF RICHMOND, VIRGINIA.

BRICKflVIAVCI-IINE'..

Specification ofiLettersPatent? No. 1,539, dated April 8, 1840.'`

`and`v useful Improvement in Machines for Making Bricks from Dry Clay,which is described"l as follows, reference beinghad to the annexeddrawings oft-hesame, mak-ing part of'this specification.

Figure 1 is an isometrical perspectiveview1v ofthe machine. Fig. 2' is avertical section through the centerv of the molding.

part of the machine showing the molds, the discharger,presser,.connecting rods, guides', &c. Fig. 3 is a top view ofthetable.-

Similarletters in thefigures refer to similar parts.

`A frame or-bench A isA made of suitable size and strength to containand support' the parts hereafter described. Upon v this frame at one endis secured av large cast iron plate B let into the frame from which risetwo standards B1 B2 between which the main or pressing lever H isplaced, the fulcrum being at 00. This plate may for the sake ofdistinction be called the stand. The molds are secured on this stand.They are formed iso by two vertical parallel side plates l, 2 flanged attheir lower edges and perforated for bolts which secure them to thestand B, between which side plates are division plates C1 C2 which formthe molds. A table Gr is formed on a level with the top of the moldshaving rectangular openings Y therein the size of the molds and two ribsW at the sides of the table which serve as guides for the slidingfeeding boX A piston for pressing the clay into the molds is attached byconnecting rods to the short end of the main lever H. This pistonconsists of a plate E having fixed to its under side as 'manyrectangular blocks b as there are molds made the same size as the moldsinto which they are intended to enter, during the operation )of pressingthe clay- An ear e projects from the upper side of the plate E throughwhich.

passes a horizontal pin which also passes through the lower ends oftwoparallel connecting rods R connected to the short end of the main leverby'a similar pin passing horizo-ntally through the same- A vertical rodV1 rises from the top of the ear in the center of the plate E and passesthrough an aperture in a horizontal guide 3 fastened to one of thestandards B2- A similar rod V2 rises from the plate E passing through ashort tothe level ofthe table'.

side of said'plateD'there projects downward:

horizontal guide t; these rods and guides are for causing the piston tomovevertically in the molds.

The discharger for throwing up the bricks from the molds is attached tothe short end ofthe-lever Lby a connecting rod Si This dischargerAconsists of' a horizontal' plate D upon whose upper side are placed' asmany rectangular blocks T as there are molds-into which they enter beingthe same size and while the pressing` operation is performing theseformthebottom of said molds the plate resting'firmly upon the' standy andwhen the bricks are to be discharged these blocksl are made torisein themolds and lift the'bricks a vertical stem Z the round part" of which.passing'accurately'through a roundt opening.

in the stand andserving as a` guide to*l cause thev discharger to movecorrectly' in the' From the under molds; to this stem the rod S isconnected which attaches the discharger to the leverY L which movesit-which lever has its fulcrum at M below the top of the frame or` formsthe double operation of conveying the clay to the molds and at the sametime pushing the bricks from them to the end of the table. This boX isattached to a lever N, O, made inthe following manner: It consists oftwo arms or branches N, O, radiating from the periphery of a barrel 5 towhich they are permanently fixed, which barrel turns on a permanent studP rising vertically from a casting 6 fastened to the top of the framenear the center thereof. The branch O of the lever acted on by the camsQ g is made forked so that the prongs shall be acted on alternately bythe cams on either side of the wheel Q2 as it revolves for moving theboX F in and out from under the piston. The cams for moving all thelevers are fixed on the main shaft I which turn in standards 10 fastenedon top of the frame which shaft is turned by any suitable power the cammarked J moves the main lever H for pressing the bricks-the cam marked Kmoves the lever L for discharging themand the cams marked' Q g move theforked lever N, O, for supplying the clay and removing .the bricks fromvthe molds.

Operation: The power being applied to it into the molds and thus formsthe bricksfthe piston and discharger then rise simul-` taneously thelatter pushing the bricks out of the molds from which they are removedby the sliding box inl bringing afresh supply of clay to the molds. Whenthe cam J is in the position represented in the drawing the pressing hascommenced and when the greatest extremity of it marked 7 reaches theanti friction roller in the end Vof the main lever Hthen will take placethe maximum of pressure-this part of the cam having left the roller thelong end of the lever Will begin to descend and simultaneously with thismovement the cam K-Will commence to depress the long end of the lever L-and raise the short end With the dischargers and also at the same timethe cam Q will begin to vact on the prong 8 of the lever O causing thebox F to move toward,

the molds-WithA a fresh supply of clay which it deposits in the moldsand the `cam `Q having left the prong 8 the other cam g on the oppositeside of the Wheel Q2 strikes the prong 9 and reverses the movement ofthe lever bringing back the box F Vemptythe cam J then acts on themainlever as before and presses the bricks and so on. The bricksare borne o'by boys or in any convenient manner.

What I claim as my invention and desire to secure by Letters Patentis- 1. The mode of producing the pressure on the piston E by means ofthe lever H operated by the ca m J in combination with the mode ofoperating the bed D of the press fory throwing up the bricks whenpressed by means of thelever L operated Y by the cam K-t-he Whole beingconstructed, arranged and voperating as herein set forth.

2. I also claim in combination With the foregoing the mode of operatingthe box F and removing the bricks by the same, the box being operatedbythe forked lever O moved by the cams g VQ all as herein set forth.

- Y SAMUEL TALBOTT.

Witnesses:

y WM. L1N'roN,M g

WM. G. WEBBER. y i Y

